Use of Less Trusted Source Affecting github.com/go-chi/chi/v2/middleware package, versions >=0.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMGOCHICHIV2MIDDLEWARE-21689178
- published24 Oct 2026
- disclosed21 Oct 2026
- creditUnknown
Introduced: 21 Oct 2026
NewCVE-2026-114437 (opens in a new tab)How to fix?
There is no fixed version for github.com/go-chi/chi/v2/middleware.
Overview
Affected versions of this package are vulnerable to Use of Less Trusted Source via the ClientIPFromXFF process. An attacker can manipulate the client IP address returned by the middleware by appending a trusted-looking proxy address to the X-Forwarded-For header when connecting directly to the server.